Our Radio Frequency Risk Reduction Deployment Demonstration (R3D2) is set for #launch in late February to space-qualify new type of membrane reflectarray antenna. Made of a tissue-thin Kapton membrane, antenna deploys to 2.25 meters diameter once in LEO. https://t.co/ztUZyawXKx pic.twitter.com/BQFqESyFw4

— DARPA (@DARPA) January 22, 2019